谁能告诉我出什么问题了 ，顺便帮我改一下代码，错在哪了？劳烦指点一下，我c语言不扎实。
#include<reg52.h>
sbit HC595_SCK = P0^5;
sbit HC595_RCK = P0^6;
sbit HC595_DATA = P0^7;
void main()
{
unsigned char i,Led8_One = 0x01,Led8_Two = 0x00;
while(1)
{
Led8_One = 0x01;
Led8_Two = 0x00;
HC595_RCK = 0;
for(i = 0;i < 8;i ++)
{
HC595_SCK = 0;
if(0 != (Led8_Two&0x80))
{
HC595_DATA = 1;
}
else
{
HC595_DATA = 0;
}
HC595_SCK = 1;
}
Led8_One = Led8_One << 1;
for(i = 0;i < 8;i ++)
{
Led8_One = 0x01;
Led8_Two = 0x00;
HC595_SCK = 0;
if(0 != (Led8_Two&0x80))
{
HC595_DATA = 1;
}
else
{
HC595_DATA = 0;
}
Led8_Two = Led8_Two <<1;
HC595_SCK = 1;
}
HC595_RCK = 1;
}
}